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Big Story Weather – April 12, 2013

April 12, 2013

Daily weather forecast and wrap-up provided by redOrbit meteorologist Joshua Kelly.

redOrbit Meteorologist Joshua Kelly

Big Story Weather from April 11: Yesterday was another busy day with severe weather along the Gulf Coast, with tornadoes reported in Louisiana, Mississippi and Alabama. A tragic tornado hit a town in the northeast part of Mississippi with one fatality. Large hail fell through a good portion of Georgia, while wind damage was spread from the Gulf Coast into the Southeast. Winter weather was still kicking with this storm, some snowfall amounts included northeast South Dakota where they saw 8-12 inches, southwest Minnesota picked up about 6-10 inches, and northwest Iowa got 2-5 inches.

Big Story Weather Discussion for April 12: The strong low pressure system is finally pushing into the Northeast. Expect to see more snow, heavy rains and severe weather from Florida to the Carolinas. High pressure building in over the Southern Plains will bring cooler but nicer weather to the region. A nice day is in store for most of the West as well.

Here is the weather for a few select cities:

Boston MA: Partly cloudy with afternoon snow showers. High temps will be around 37F and overnight lows will fall to around 33F. Total snowfall will be around 2-4 inches.

Orlando FL: Mostly cloudy with Thunderstorms some may be severe. High temps will be around 77F as low temps drop to near 70F. Total rainfall will be near 0.5 inches.

Sioux Falls SD: Partly cloudy and cool with a high near 30F and low temps around 25F.

Denver CO: Partly cloudy skies with a high near 50F and overnight lows will fall to around 39F.

Portland OR: Partly cloudy becoming mostly cloudy with evening showers. High temps will be around 52F, while low temps hit near 45F. Total rainfall will be around 0.25 inches.

April 12, 2013 Storm Tracker Update:

Atlantic Basin: Low pressure moving through Central Europe will bring showers to the region. Another area of low pressure moving towards England will bring clouds and showers to the area. A third area of low pressure moving into the Northeast US will bring showers, snow showers, and severe weather to the region. A fourth small little clipper system will bring some snow to the Northern Plains through this weekend.

Eastern Pacific: Low pressure moving through the Gulf of Alaska will bring some snow showers to the area.

Western Pacific: Low pressure moving northeast of Japan will bring cloudy skies and cooler weather for Northern Russia and Japan. A second low pressure area will be moving towards the Koreas. Expect to see clouds and some rainfall with this storm. A third area of low pressure is moving towards Southeast China and will bring showers and thunderstorms to the area. Another area of low pressure is moving southeast of Manila and will bring increased winds and seas to the area.

Indian Ocean: The monsoonal trough will be active again today with areas of low pressure moving across it bringing enhanced showers and thunderstorms to Indonesia and also Singapore. Tropical Cyclone Imelda has winds around 45kts and a pressure of 989mb and is on its final warming.

Southern Hemisphere: Multiple areas of low pressure are moving across the region, with an area of low pressure south of Argentina which will bring rain, and some higher elevation snows to the southern part of the region. Low pressure moving southeast of Australia and its trailing cold front will bring a few showers to the region. Tropical Cyclone Victoria is on its final leg as it merges with the frontal boundary to the west of Perth. Winds are around 30kts and a pressure of 1000mb. Another area of strong convergence has developed to the northeast of Australia.

Five-Day Storm Index Outlook for April 12-16:

Boston MA: The region will have moderate impacts today with periods of heavy snow, then another chance of slight impacts on April 16 as light rain showers move into the region.

Orlando FL: The region will have moderate impacts today with some severe thunderstorms possible. Slight impacts will continue through April 13-14 with light rain showers. The remainder of the period will finish impact free.

Sioux Falls SD: The region will have a slight chance of impacts on April 14 as some showers move into the region.

Denver CO: The area will start the period impact free, but have a chance of impacts on April 15 with light rain showers and then moderate impacts on April 16 as snow showers move into the region.

Portland OR: The next three days the region will have slight impacts as showers move into the area. The region will finish impact free the remainder of the period.

Climate Watch for April 7-11:

Boston MA: The region started the period with temps around 1-20 degrees above normal and then on April 11 seen temps fall to around 5 degrees below normal.

Orlando FL: The past five days the region has seen temps around 1-9 degrees above normal.

Sioux Falls SD: The period started with temps around 1 degree above before falling sharply to temps now around 1-26 degrees below normal.

Denver CO: The area started with temps about 8-11 degrees above normal before falling rapidly to around 10-38 degrees below normal.

Portland OR: The region saw temps around 1-7 degrees below normal for the entire period.

Major Weather Impacts Discussion for April 12, 2013:

Day 1-3: The warm front will push into the Northeast today. Expect to see showers and snow showers develop along the front. The cold front will extend from the Mid-Atlantic southward to Florida. Expect to see showers and thunderstorms along this front with some severe weather possible. The Great Lakes will see snowfall today – some may be heavy. High pressure over the Southern Plains will bring partly cloudy skies to the area, while another clipper system moves through the Northern Plains bringing some snowfall to North Dakota. A warm front will approach the Northwest tonight bringing showers to places like Portland. Day two look for the strong clipper system push into the Dakotas bringing snow and rain to the area. High pressure will be along the East Coast. The period will finish with the storm system moving into the Great Lakes, while an upper level feature develops along the Northern Gulf of Mexico bringing areas of moderate rainfall to the region.

Day 4-7: The period will start with the low pressure in the Great Lakes and another low pressure beginning to develop over the Southwest. By day five we will have a low pressure in the Northeast bringing rain and snow to the region, while a stationary front will extend back towards the West, and the new low pressure area will begin to push out of the Southwest bringing rain and snow to the region. Day six we will see the low pressure move out into the Plains. Expect to see areas of heavy rain, heavy snow and also another round of severe weather for the Gulf Coast into the Southeast. The period will finish with a major storm in the Great Lakes. There will be heavy snow, heavy rain, thunderstorms and severe weather associated with this storm from the Great Lakes into the Northeast and southward to the Southeast and Gulf Coast. High pressure will build in over the Southern Plains, while another clipper system approaches the Northern Rockies.

Day 8-12: The period will start with low pressure impacting the Northeast with rain and snow, while the other storm pushes into the Northern Plains bringing more rain and snow to the Dakotas. Day nine the storm system will push into the Lakes region bringing rain and snow, while a strong area of high pressure builds in over the Northern Plains bringing another round of below normal temps. A new low pressure will develop over the Southwest. The period will finish with the cold high pressure over the Great Lakes as the storm system begins to push out of the Southwest bringing more snow and rain to the Plains. Day eleven we will be watching the development of another Gulf Low taking shape bringing heavy rains to the Gulf Coast region along with some thunderstorms. The period will finish with a major low pressure moving up the East Coast.

Long Range Outlook: The period will start with the powerful low beginning to exit the Northeast, while a piece of upper level energy will push across the Central Plains bringing a few showers to the region. The period will finish with multiple systems moving across the Northern Plains.

Today’s Spotlight Forecast is for Bismarck ND:

Friday: Partly cloudy with a few morning snow showers, high temps around 33F as low temps drop to near 26F. The winds will be from the northwest 2-7mph with a snowfall amounts around a Trace to 1 inch.

Saturday: Mostly cloudy with periods of heavy snow, high temps around 39F, the overnight lows will fall to around 25F. The winds will be from the northeast 18-23mph as total snowfall will be around 3-5 inches.

Sunday: Mostly cloudy with snow, high temps will be around 28F, the overnight lows will fall to around 20F. The winds will be from the northwest 18-23mph and total snowfall will be around 1-3 inches.

Monday: Partly cloudy and warmer with a high near 30F, the overnight lows will drop to around 18F. The winds will be from the northwest 7-12mph.

Tuesday: Partly cloudy with a high near 32F, the overnight lows will fall to around 18F. The winds will be from the northwest 5-10mph.

Ask The Weatherman for April 12, 2013:

Question: Why did we have such a large snow storm in April?

Answer: First, snow does happen in this region during the month of April. However, the thing that made this special is how much snow actually fell. The reason that this occurred was the interaction of two air masses – the Arctic air from the north surged in fast creating a cold environment for all the warmer air to fall into which led to very heavy precipitation.

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Green Energy Weather Report for April 12, 2013:

Wave Energy: The Northeast will have around 856mwh of energy, while the Mid-Atlantic will only have around 8mwh. The Southeast will have about 78mwh, moving into the Northern Gulf of Mexico will see about 291mwh. The Southwest will have energy levels around 2280mwh and the Northwest will have values around 1560mwh.

Solar Energy: A good portion of solar energy will be seen from most of the West Coast into the Southwest and also building into the Southern Plains.

Wind Energy: The best wind energy will be over the Western Lakes behind the cold front and also over portions of the Southeast right behind the cold front this afternoon.

Hydro-Energy: There will be plenty of short term energy from Florida northward to the Mid-Atlantic and portions of the Northeast. There will be also a good portion of snowfall creating long term energy from the Western Lakes eastward into the Northeast to places like Boston MA.

April 12 Weather and Your Wallet (Los Angeles CA):

A nice day in store for the region with no major impacts forecasted.

Dining: Today will be a great day to get out and enjoy lunch in the park.

Transportation: No weather related problems on the roads today.

Shopping: Today will be a nice day to get out and enjoy some shopping or even taking a trip to Beverly Hills to do some elite shopping.

Electricity: This evening there will be a small window of heating needed for the area with 2HDD´s forecasted.

Yard Work: Today will be a great day for the garden and trees to grow with the forecast of 13GDD´s for the area.

Construction: No issues forecasted for today.

Outdoor Venues: Tonight will be a great night to head out to Hollywood or catch a concert or an outdoor event.


Source: redOrbit Meteorologist Joshua Kelly

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